HHN 31 will include echoes of past Halloween Horror Nights attractions like Dead Man's Wharf and Scarecrow: The Reaping. New houses like The Weeknd: After Hours Nightmare and Fiesta de ...

Both returned for the Horrors of Halloween scare zone at HHN 31, and Lil’ Boo has continued to return in some form or another since. Universal Aventura Hotel has alien theming for HHN this year.